[Table/Fig-3]:

Ophthalmic appraisals observed in the study groups.

		Cases*	Controls
Retinopathy- Right	No apparent retinopathy	2 (2.1)	26 (100.0)
	Mild NPR	26 (26.8)	0 (0)
	Moderate NPR	25 (25.8)	0 (0)
	Severe NPR	27 (27.8)	0 (0)
	Very severe NPR	8 (8.2)	0 (0)
	PDR	9 (9.3)	0 (0)
Retinopathy- Left	No apparent retinopathy	1 (1.0)	26 (100.0)
	Mild NPR	33 (34.0)	0 (0)
	Moderate NPR	35 (36.1)	0 (0)
	Severe NPR	16 (16.5)	0 (0)
	Very severe NPR	2 (2.1)	0 (0)
	PDR	10 (10.3)	0 (0)
History of screening for DR	Yes	40 (41.7)	12 (46.2)
	No	56 (58.3)	14 (53.8)
Fundus Fluorescein Angiography	Yes	11 (11.5)	0 (0)
	No	85 (88.5)	26 (100.0)
Optical Coherence Tomography	Yes	8 (8.3)	0 (0)
	No	88 (91.7)	26 (100.0)
Prior laser	Yes	9 (9.4)	0 (0)
	No	87 (90.6)	26 (100.0)
Colour vision	Present	77 (89.5)	26 (100.0)
	Absent	9 (10.5)	0 (0)
Knowledge of blurring of vision during hypoglycemia	Yes	37 (45.7)	11 (42.3)
	No	44 (54.3)	15 (57.7)
Diminution of vision	Painful	0 (0)	0 (0)
	Painless- Sudden	1 (1.1)	0 (0)
	Painless- Gradual	93 (98.9)	26 (100.0)
High risk PDR	Yes	6 (6.6)	0 (0)
	No	85 (93.4)	26 (100.0)
With clinically significant macular edema	Yes	36 (38.7)	0 (0)
	No	57 (61.3)	26 (100.0)

* = Of the DR subjects, some volunteers did not answer some questions considered in [Table/Fig-1,2,3 and 4] and therefore do not add up to 97. Only the answered choices were considered for the analysis